1. Department of Paediatrics; Waitakere Hospital; Auckland New Zealand
2. The School of Medicine, Paediatrics; The University of Auckland; Auckland New Zealand
3. The John Hunter Children's Hospital; Newcastle New South Wales Australia
4. The Department of Rheumatology; The Sydney Children's Hospitals Network, Randwick and Westmead Campuses; Sydney New South Wales Australia
5. Discipline of Paediatric and Child Health; The University of Sydney; Sydney New South Wales Australia
6. School of Maternal and Child Health; The University of New South Wales; Sydney New South Wales Australia
7. Department of Paediatrics; The University of Western Sydney; Sydney New South Wales Australia